#include stdio.h#include math.hint main () {double x, ret;x = 10000;/* finding value of log1010000 */

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#include <stdio.h>
#include <math.h>

int main () {
   double x, ret;
   x = 10000;

   /* finding value of log1010000 */
   ret = log10(x);
   printf("log10(%lf) = %lf\n", x, ret);

   return(0);
}